Checklist - Manitowoc Q 800 Installation And Use Manual

Section 5

Checklist

If a problem arises during operation of your ice machine, follow the checklist below before calling for service.
Routine adjustments and maintenance procedures are not covered by the warranty.
Problem
Ice machine does not operate. No electrical power to the ice
Ice machine stops, and can be
restarted by moving the toggles
switch to OFF and back to ICE.
Ice machine does not release
ice or is slow to harvest.
Ice machine does not cycle
into harvest mode.
Ice quality is poor (soft or not
clear).
Section 5
Before Calling for Service
Possible Cause
machine.
ICE/OFF/CLEAN toggle switch set
improperly.
Water curtain stuck open.
Safety limit feature stopping the ice
machine.
Ice machine is dirty.
Ice machine is not level.
Water regulating valve leaks in harvest
mode (water-cooled models).
The six-minute freeze time lock-in has
not expired yet.
Ice thickness probe is dirty.
Ice thickness probe wire is
disconnected.
Ice thickness probe is out of
adjustment.
Uneven ice fill (thin at top of
evaporator).
Poor incoming water quality.
Water filtration is poor.
Ice machine is dirty.
Water dump valve is not working.
Before Calling for Service
To Correct
Replace the fuse/reset the
breaker/turn on the main switch.
Move the toggle switch to the ICE
position.
Water curtain must be installed and
swinging freely.
Refer to "Safety Limit Feature" on the
next page.
Clean and sanitize the ice machine.
Level the ice machine.
.
Adjust or Replace Water-regulating
valve.
Wait for freeze lock-in to expire.
Clean and sanitize the ice machine.
Connect the wire.
Adjust the ice thickness probe.
See "Shallow or Incomplete Cubes"
on the next page.
Contact a qualified service company
to test the quality of the incoming
water and make appropriate filter
recommendations.
Replace the filter.
Clean and sanitize the ice machine.
Disassemble and clean the water
dump valve.
Continued on next page...
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